Value *MemsetLen = Builder.CreateSelect(
Ule, ConstantInt::getNullValue(DestSize->getType()), SizeDiff);
Instruction *NewMemSet = Builder.CreateMemSet(
- Builder.CreateGEP(Dest->getType()->getPointerElementType(), Dest,
- SrcSize),
+ Builder.CreateGEP(Builder.getInt8Ty(), Dest, SrcSize),
MemSet->getOperand(1), MemsetLen, MaybeAlign(Align));
if (MSSAU) {
ret void
}
+define void @test_opaque_ptrs(ptr %src, i64 %src_size, ptr noalias %dst, i64 %dst_size, i8 %c) {
+; CHECK-LABEL: @test_opaque_ptrs(
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i64 [[DST_SIZE:%.*]], [[SRC_SIZE:%.*]]
+; CHECK-NEXT: [[TMP2:%.*]] = sub i64 [[DST_SIZE]], [[SRC_SIZE]]
+; CHECK-NEXT: [[TMP3:%.*]] = select i1 [[TMP1]], i64 0, i64 [[TMP2]]
+; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i8, ptr [[DST:%.*]], i64 [[SRC_SIZE]]
+; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP4]], i8 [[C:%.*]], i64 [[TMP3]], i1 false)
+; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr [[DST]], ptr [[SRC:%.*]], i64 [[SRC_SIZE]], i1 false)
+; CHECK-NEXT: ret void
+;
+ call void @llvm.memset.p0.i64(ptr %dst, i8 %c, i64 %dst_size, i1 false)
+ call void @llvm.memcpy.p0.p0.i64(ptr %dst, ptr %src, i64 %src_size, i1 false)
+ ret void
+}
+
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1)
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1)
declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i1)
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i1)
declare void @llvm.memset.p0i8.i128(i8* nocapture, i8, i128, i1)
declare void @llvm.memcpy.p0i8.p0i8.i128(i8* nocapture, i8* nocapture readonly, i128, i1)
+declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1)
+declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture readonly, i64, i1)
declare void @call()